APA ציטוט

(2002). Headway: Intermediate- Upper- Advanced. New York: Mc Graw-Hill.

Trích dẫn kiểu Chicago

Headway: Intermediate- Upper- Advanced. New York: Mc Graw-Hill, 2002.

ציטוט MLA

Headway: Intermediate- Upper- Advanced. New York: Mc Graw-Hill, 2002.